{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0x9bc1809a86bc484b2589ab18ba9bd50fa74e9b5426346dab0df29ff13431ff1f",
    "signature": "0x3d98d0a03d765b8f96373433e4adee5b0ea2ec9fc3ebc467ca494631da88e01c4c2d9184d5007b1d4d24351d95ce05a09ed729fe230f3e62f6c7c5217a71f6c71b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}