{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x0cb0db39072f5a5c8a4da7f196a419bbc6fecca433e02fba67668e04c040dd7f",
    "signature": "0x98ccb9fb269dff45bc8d8c88908bc769a1dda554c48c3944b1c31c9cbed02a2930523ebc5fa98a1adde5c846554b13e8595ac247a74fba052e3fe2e695ff32881b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}