{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59492",
    "entityType": "User",
    "nonce": "0xef3fd9756a5f75428d0ed3bbb3a67a0e140b691060800d168eff01ce27632219",
    "signature": "0x7ccd4dd6808bad8f4585c3219936e23c383b907c45077e1ce326f3aeb816ccdc69893b764299eb7a00835783795452d3652ea3c6f59fe61c420467a4dfa0ed1b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}