{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0x571ad6b668990ae3676e1c22a61f0fa783d786f884a82abdb1199c5eff306876",
    "signature": "0xb8379d5bc0616537354fcc5948787deb019efd74de19d59cf64be9da62b0400671e4fef87063d07939b11425dfd8a101c9ded78cc6fbac47d7a5615a900bd72c1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}