{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x366194031297d0fed6ac75c50177d56ec9a0d01ea72783d8891f24e525b98785",
    "signature": "0xa193149b7426c5e49f6aacdb04ee7517cae44b1fa3d79299ec77320a5c6f58a63c1cc1c4f5c36093fab9a3b2d256376db56d0c04c3fa19e4b816d588b55cd2f61b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}