{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7bcae239311c53a586ce97abf565ded1a0843b87ade51a1c39d59c11aec2c485",
    "signature": "0x22cafe7b20cc6ffce40a6e31579c9fa6b2f11b3889ae680ea65ea17a2f5ed32a02389ab8878c64a6e8c8008a970b4717be076241b5f9e68d84efda8b9b7ba7a81c",
    "signer": "0x8299Bf72dBe9fB3Fb53d425F20Df8371fEa617E6",
    "userId": "55263861"
  }
}