{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1967",
    "entityType": "User",
    "nonce": "0x84c306fdb9ea5376e0ff70ec237691ebf83771ac18929100c66e67eed9ff9c38",
    "signature": "0x8c7ede4f4da9b4a5026eb2f7f75d5d9f70724bb9b10a3dca42798d44af8e91ce23735abdae81f163c5f152331d87f36e8f26c0a5a6a552468ef6531020d125c51c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}