{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61907",
    "entityType": "User",
    "nonce": "0x7a773816cb5702079921196813e5eadf259a0647aa6fe4658dc0c2aeb730b1b8",
    "signature": "0x1bae2158e58d09342de02c004ff62b9ea15cd197a3b10644ab80e2941eeae12a387afe39f0fb47cb99aee75e3a9c3647c81ac0683a2066ac997ed17f2aacc2d01c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}