{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145972",
    "entityType": "User",
    "nonce": "0x092e70dc046c4262d90932a09ce6ef7aeaebe5728d50d9f6ab43321c9613889b",
    "signature": "0x1d922238f48f1d5770dde6146eb3583bea85c4c26200c99d50ab9de7f006ca6364bf03e3b88d2e5753bbbb86bd9a15def2f2ead62c6916d44f53c48ad17d61271b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}