{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xa26c60590d19548ae598a0127d057e1901983aff77c663a53285dd5b57fe213e",
    "signature": "0x03ae3017a194ff8f6d83e320d0f4d5d5a9c321ea344715bb49c80c0bd086271a20b17b881dc165ddfc53b4d658d94e37e0b862bdedadd1f55b42be45019da0a81b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}