{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89091852",
    "entityType": "User",
    "nonce": "0x95943fda437b86999fd30049a55ce7dbc2e2c12896cbaf036b7f1c64e4a0b618",
    "signature": "0x8a7e559966d5723d9278325c3d17837f20141a6f2f4a6b9604d45dbbca8cde4a29216a9cabdfa361fa67b434b1f6f445edc7149185c26f0c3df7e982c811c8331b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}